Heating unit



Nov. 16, 1943. w. TOOMEY 2,334,361

HEATING UNIT Filed Aug. 19, 1941 Patented Nov. 16, 1943 I trims-mi l:

w neries, massa e ileum; to

.- Application August 19, 1941, Serial No. 407,465

i. 40min (c1. 126-73) V "This invention relates to a heating unit; and it is an object of the invention top'rovide adevice of this kind which requires no grate. 1

Another object of the invention-is to provide a device of .this kind wherein the fire bed is supported by the ashes, and wherein the fire chamber 'is'provided atvertically spaced points with draft inlet openings;

The invention consists in thedetails of construction and in the combination and arrangement'of the several parts 'of:my improved heating unit whereby certain important advantage are attained, as .Will be hereinafter more fully'set forth." I l In order' that my understood, I willf now proceed to describe-the same with reference to the accompanying drawing, whereinu i a T Figure 1 is 'a vertical sectional view of a heating unit constructed in. accordance" with an embodiment of myinvention, with a portion in elevation; and l a Figure 2 ,is; a] sectional yiewz taken substantially ontheline 22ofFigurel. 1 z 17-. Myinvention. as herein embodied is disclosed as of a pipeless furnace type, although it is believed to be obvious that the casing can be'made ofa type to allow the same to be used with heating pipes or, if preferred, the casing can be in the nature of a boiler to allow either the use of steam or hot water.

In the present. embodiment of my invention B denotes a base structure preferably of brick, and which is constructed in its top portion to provide an ash pit I opening through a side of the base B. Positioned upon the base B and extendin across the outer or free end portion of the pit l is an annular bottom plate 2 provided with the suitably spaced and upstanding concentric flanges 3. These flanges 3 are spaced inwardly from the edges of the plate 2 to allow for the proper mounting on said plate 2 of the casing l and the invent on may be the better I thecasingl. The member 5 is, 11150 considerably shorter in length thanthe casing I so that this member Shas its upper end terminating a material'distan'c'e below the upper end of the casing 1.

illustrated in the accompanying drawing, the

upper end portion of the'casing I has a constricted portion 8 terminating in an upstanding duct 9 for close contact from below with the floor F ofa building-structure. "Disposed over this duct 9 is a conventionalreglster or grid l0." e r r o- The'upper portion of themember 5 is provided inits wall with a'fuel opening 1 I. This opening H is defined by an outstanding hopper 12 which 'is disposedoutwardly through the adjacent portion of the side wall of the casing I. This ex- "tended portion of the hopper" is provided at its top witha swinging door "I 4 to allow the desired fueling of; thefunits 'Theflowerportion of the casing lisprovided with. an air inlet opening [5 disposed a I suitable screening ele- Themember at substantially diametrically opposed points, is provided exteriorly thereof and spaced therefrom withthebreather pipesi l1 and ;'l 8, i the extremities vof. whichibeing in communication, as at IS, with the member 5. As illustrated in Figure 2 of the drawing, the pipes l1 and I8 throughout their major portions are spaced from the member 5 and the pipe [8 i of a length less than the length of the pipe l1, and positioned centrally with respect thereto. The lower end portion of the pipe I] is provided with a tubular member or sleeve 20 extending through the wall of the casing I and threading in this sleeve 20 is a plug damper 2| for controlling the flow through the breather pipe IT. This plug damper 2| has fixed thereto a stem 22 which extends out through central elongated tubular member 5. This memher 5 is open at both ends and as herein disclosed as may be preferred.

The member 5 is of a transverse diameter considerably less than the corresponding diameter of the head 23 for the sleeve 20. The outer or extended end of this stem 22 carries an operating member 24 whereby the plug damper can be manually rotated as desired.

The member 5 in its lower portion is provided with draft openings 25 each of which having in communication therewith a vent 26 extending out through the adjacent portion of the wall of the casing 'l with the outer ends of the vents 26 continued by the depending nipples 21.

In practice, the fire is first ignited in the ash pit I and in the adjacent lower portion or fire munication witha suitable chimney or otherwise A chamber of the member 5. Initially the desired draft for the support of combustion will enter the member 5 through the open end of the ash pit I. As the ashes rise within the member 5 so will the ash pit, and as the fire bed raises the desired air for supporting combustion will enter through the openings 25. After the fire bed has raised any considerable distance within the member 5 it is only required to pull out the ashes Within the pit I, whereupon the fire bed will drop in accordance with the amount of such ashes removed. The heating action of the member 5 with respect to the air within the casing I is materially increased through the medium of the breather pipes l1 and H3. The

flow through .the breather pipe l1. maybe readily regulated by proper manipulation; of the damper plug 2|.

From the foregoing description is thought :to;

be obvious that a heating unit constructed 1h" accordance with my invention is particularlywell adapted for use by reason of thewconvenience and facility with which it may be assembled and operated.

I claim: I 1. A heating unit comprising a base'having nt h p ttaniun an e.t bul r e enmountd. Qnt g as an sp d over e a zplt,

the upper portion of; the -;tubu1a r member being prov ded; w h a. ue ope -ins and-theilower portion:.- .z .-v th t bu a -member:ib ingprovided with ver ically spacedir1onenirigsfor then-S p"- port of, combustion; within the-tubular member, and breathenpipes positioned exteriorly of the tubular member and extendinglengthwise:thereof, said breather pipes being-substantiallydiametrica ly Opposed and; in communication'with "thetubular" memben-one 015 said breather pipes breather pipes being substantially diametrically opposed and in communication with the tubular member, one of said breather pipes being of a length less than the opposed breather pipe and positioned centrally with respect thereto, and a damper for controlling the flow through one of the breather pipes.

3. A heating unit comprising a base having an ash pit, an upstanding tubular member mounted on the -base and disposed over the ash pit, the upper portion of the 'tubularmem'ber being provided with a fuel opening and the lower portion L of the tubular member being provided with ver- .tically spaced air openings for the support of ieoxnb'ustion within the tubular member, breather ppqes positi'oned exteriorly of the tubular member aneexcendmg lengthwise thereof, said breather zpipesgb'eing"substantially diametrically opposed andin cpmmunication with the tubularmember, one"of"said breather pipes being of a length less thanjthe opposed ,breat-heripipe and positioned centrally with respect thereto, and 5a damiper for controlling the; flow through the longer breather :pipe. 1 v a A hea n un t arr-ash pit; an upstanding, tubular member mounted on the base and disposed over the ash; pit, the upper portion of the tubular me'mber beingprovided witha fueltopenin'g' and the lower portion of thetubular membe'r being provided with "vertically; spaced air openings for the" supporti of CQIIlbllfijZlOIljWfihifl' the tubular member, breather pipes'ipesitionedeXter-iorly of the tubular 'member and extending lengthwise thereof; said ,breather pipes being. substantially: diametrically onpesed arrd in communication withthef'tubular membenpnesof said breather pipes. being of'a length less than the opposed breather pipe and positioned centrally with respect thereto; a casing surrounding therupstanding tubular member,

FSlQBl/BZ extending through the casing" an'diin communication with one of the breather pipes, andi .azda'mper: working in? said sleeve for controlling the flow through-such breather pipe.

comprisinga base: having 

